/**************************************************************************
 *
 * Copyright (C) 2007 University of California, Los Angeles.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 *************************************************************************/

/**
 * 
 */
package edu.ucla.cs.typecast.net;

import java.io.IOException;
import java.net.DatagramSocket;


/**
 * This class represents a UDPEndPointListner that listens to a socket managed
 * by external applications. Which means that the class should not close 
 * the socket when the object is deactivated, it should only disable the thread. 
 * @date Sep 18, 2007
 */
public class StaticUDPEndPointListener extends AbstractUDPEndPointListener {
	private DatagramSocket socket; 
	public StaticUDPEndPointListener(DatagramSocket socket) { 
		this.socket = socket; 
	}	
	
	
	protected Thread createThread() { 
		Thread thread = new Thread(this); 
		thread.setDaemon(true); 
		return thread; 
	}
	
	/* (non-Javadoc)
	 * @see edu.ucla.cs.typecast.net.AbstractUDPEndPointListener#createSocket(edu.ucla.cs.typecast.net.EndPoint)
	 */
	@Override
	protected DatagramSocket createSocket(EndPoint endpoint) throws IOException {
		return socket;
	}

	/* (non-Javadoc)
	 * @see edu.ucla.cs.typecast.net.AbstractUDPEndPointListener#shutdownSocket(java.net.DatagramSocket, edu.ucla.cs.typecast.net.EndPoint)
	 */
	@Override
	protected void shutdownSocket(DatagramSocket socket, EndPoint endPoint)
			throws IOException {
		// Do not close the socket, the socket should be closed by the external source. 
		return; 
	}

}
